The metal construction and weight of the
lens
gives the lens a feeling of quality,
making
it feel like a classic lens, it also
provides
slightly longer reach than the nearest
competitor, the Panasonic Lumix X Vario
12-
35mm f/2.8 lens. The M.Zuiko Digital ED
12-
40mm f/2.8 PRO lens is the equivalent of
24-
80mm in 35mm terms, and comes with a
lens
hood with lock so that it doesn't
accidentally come off.